| original |
Westphalian C |
|
Germany(Rhineland) |
Potonie,R. et al. Spore forms in the Agir and Bismarck Seams of the Ruhr Basin. |
1932 |
| details |
Westphalian C |
|
Germany(Rhineland) |
Ibrahim,A.C. Spore forms of the Agir horizon of the Ruhr Basin. |
1933 |
| details |
Westphalian C |
|
Germany(Rhineland) |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Middle Westphalian B |
Middle Westphalian C |
Germany(Rhineland) |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |
| details |
Westphalian B |
Westphalian C |
Germany(Rhineland) |
Alpern,B. et al. Provisional report of CIMP Group No.2 on Densosporites, (Berry), emended |
1962 |
| details |
Westphalian B |
Westphalian C |
United Kingdom |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |
| details |
Westphalian C |
|
W.Germany(N.Rhine) |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |